From what I have seen, only the 3004, 3005, 3006 and 3010 have the tubes inside. The others such as 3018, 3025, 3063 spread the film or paper around the walls of the tank. In the 3063 you need a separate film holder (discontinued and extrememly rare) for ULF film.
The lids of the 3004, 3005, 3006, 3010 and 3063 should be interchangeable and I guess that would hold true for the other 30xx drums. I mention this because the drums are occasionally sold without lids and can be much cheaper that way. When my next lot of drums arrives I'll have seven drums but only three lids.